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Mathematics 15 Online
OpenStudy (anonymous):

For the equation,y=-x+4, tell whether its graph passes through the first quadrant. Explain how you know. Yes; for x>0 some y-values are positive. b. Yes; for x<0 some y-values are positive. c. No; for x<0 the y-values are negative. d. No; for x>0 the y-values are negative.

OpenStudy (anonymous):

please help!

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